Commands tagged gtk (4)

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Determine next available UID
better with accounts on ldap

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

Know which modules are loaded on an Apache server
This let you know which modules has loaded the Apache server, very useful to know if the mod_rewrite is ready to use.

Debug a remote php application (behind firewall) using ssh tunnel for XDEBUG port 9000
If you need to xdebug a remote php application, which is behind a firewall, and you have an ssh daemon running on that machine. you can redirect port 9000 on that machine over to your local machine from which you run your xdebug client (I am using phpStorm) So, run this command on your local machine and start your local xdebug client, to start debugging. more info: http://code.google.com/p/spectator/wiki/Installing

List all files/folders in working directory with their total size in Megabytes

Watch RX/TX rate of an interface in kb/s
A shorter version

Exiftool adjust Date & Time of pictures
Change the original date set by camera : Create Date : 2020:08:21 13:26:24.63 //Operating System: Date Created (ie: sdcard) Date/Time Original : 2020:08:21 13:26:24.63 // Set by camrea when you point and click for photo Modify Date : 2020:08:21 13:26:24.63 //Operating System: Modified (ie: sdcard) Exif argument examples are : exiftool.exe “-DateTimeOriginal+=0:0:0 5:30:0” filename.jpg (add 5 hours and 30 minutes to the Exif Date/Time Original) exiftool.exe" "-modifydate-=0:0:0 0:25:0" filename.jpg (reduce the Exif Modify Date to 25 minutes) exiftool.exe “-AllDates+=Y:M:D h:m:s” filename.jpg (Change all exif date values to Y:M:D h:m:s)

copy root to new device
Clone a root partition. The reason for double-mounting the root device is to avoid any filesystem overlay issues. This is particularly important for /dev. Also, note the importance of the trailing slashes on the paths when using rsync (search the man page for "slash" for more details). rsync and bash add several subtle nuances to path handling; using trailing slashes will effectively mean "clone this directory", even when run multiple times. For example: run once to get an initial copy, and then run again in single user mode just before rebooting into the new disk. Using file globs (which miss dot-files) or leaving off the trailing slash with rsync (which will create /mnt/target/root) are traps that are easy to fall into.

find all writable (by user) files in a directory tree (use 4 for readable, 1 for executable)

Generate random valid mac addresses
Ruby version. Also, a perl version: $perl -e 'printf("%.2x.",rand(255))for(1..5);printf("%.2x\n",rand(255))'

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